ochratoxin A


Also found in: Medical, Wikipedia.

ochratoxin A

[¦äk·rə¦täk·sən ′ā]
(biochemistry)
C20H18ClNO6 A toxic metabolite from Aspergillus ochraceus ; a crystalline compound which exhibits green fluorescence; melting point is 169°C; inhibits phosphorylase and mitochondrial respiration in rat liver.
References in periodicals archive ?
Hypothesis: Does ochratoxin A cause testicular cancer?
This type of feed can be highly contaminated with mycotoxins, in particular ochratoxin A (OTA; Visconti & Botallico 1983).
Among the mycotoxins of agricultural importance, ochratoxin A (OTA) is known to be a potent toxin having hepatotoxic, carcinogenic, nephrotoxic and immuno-reducing properties (Smith and Moss, 1985).
The sorbents target molecules for a range of applications: food contaminants such as mycotoxins (Ochratoxin A, Zearalenone, Patulin), additives (Phenolic compounds), environment (Estradiol from water), diagnostic tests (Catecholamines and Metanephrines from urine and plasma) and pharmaceutical R&D (specific extraction and purification of Glutathione adducts).
Biomarkers of human exposure to ochratoxin A. Food Addit Contam 2005; 22: (Suppl 1) 99-107.
The commission also adopted guidance to enable coffee-producing countries to develop their own programs addressing ochratoxin A contamination, a fungal toxin that is considered a possible cancer-causing agent.
The Committee also evaluated the risk posed by two food contaminants namely, aflatoxin and ochratoxin A to recommend risk management options in order to protect public health.
Topics of the other nine chapters include microalgae in novel food products, the ochratoxin A concentration in wines, the role of amylose and amylopectin in starchy foods, protein and lipid recovery from food processing by-products, and the gelation of high methoxy pectins.
VICAM, a world leader in food safety diagnostics, has announced that AOAC International has awarded Official Method First Action status to the protocol: "Determination of Aflatoxins B1, B2, G1 and G2 and Ochratoxin A in Ginseng and Ginger by Multitoxin Immunoaffinity Column Clean-up and Liquid Chromatographic Quantitation." The method, AOAC number 2008.02, is the first ever to be approved for the simultaneous detection of aflatoxins (AFB1, AFB2, AFG1 and AFG2) and ochratoxin A.
Another was a new code that should prevent or reduce contamination in wines of Ochratoxin A, a mycotoxin known to be toxic to the kidneys.
"We do however need to think more carefully about storage mycotoxins and particularly Ochratoxin A which can occur within days if grain at higher moisture levels is not dried quickly enough."
Green Cuisine chilli and Bart Spices paprika also had high levels of ochratoxin A, linked to kidney cancer.